Sorry to hear that: my friends and I did probably the worst ever version (if high on hilarity) of that song at Girvan Traditional Music Festival in 2013 in the Folk Band Competition (which is NOT supposed to be serious!) So I will not post the link but simply say sorry: find it if you must!

He was indeed, Rog. There were 3 Sarstedt brothers - Robin, Peter and Richard - all involved in music. Eden Kane was Richard - showbiz name dreamed up by the manager, as was quite usual for those days. He has a website and is still performing, mainly in "nostalgia" tours.